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Finding the Fourth Proportional to 74,521.77, 111,798.99 and 32,408.39

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Solution

The fourth proportional to 74,521.77, 111,798.99 and 32,408.39 is: 48,619.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,521.77 : 111,798.99 = 32,408.39 : x
  2. Step 2: Convert to fraction form
    74,521.77/111,798.99 = 32,408.39/x
  3. Step 3: Cross multiply
    74,521.77x = 111,798.99 × 32,408.39
  4. Step 4: Simplify right side
    74,521.77x = 3,623,224,710.53
  5. Step 5: Solve for x
    x = 3,623,224,710.53/74,521.77
  6. Step 6: Final answer
    x = 48,619.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.